Mechanism for transmitting power.



S. T. SIMMONS. MECHANISM FOR TRANSMITTING POWER.

APPLICATION FILED JUNE I2. 1915. 1,155 284; Patented Sept. 28, 1915.

2 SHEETS-SHEET I.

COLUMBIA FLANOGRAPN C0..WASHINCITON. D. c.

S. T. SIMMONS. MECHANISM FOR TRANSMITTING POWER.

APPLICATION FILED JUNE I2, 1915.

Patented Sept. 28, 1915.

2 SHEETS-SHEET 2.

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T all whom it may concern a citizen of the United States, residing at Columbus, in the countyv of Franklin and State of Ohio, haveinvented certain new and useful Improvements in Mechanism for TransmittingPower, of which the following is a specification. r

My invention relates to certain new and useful improvements in, a mechanism for transmitting power whereby any evils arising from the use'of belts are avoided.

The invention consists of the details of construction in the parts and their various combinations and operations in producing thedesired result, as more fully hereinafter described. p

In the accompanyingdrawings forming a part of this specification, Figure 1 is a front elevation showing my. device as applied to transmitting the motion of the main. shaft to a sewing machine. Fig. 2 is a side elevation of the samewith some of the parts.

broken away. Fig.3 is a view in cross section of F 1g. 2.

The numeral 1 1s abeveled gear on the" shaft of a sewing machine in mesh with gear 2 mounted on a short shaft 2. This shaft 2 is supported by a hollow sleeve 3,

fastened to the machine by bracket 3. One

end of the shaft 2 is square, and is received in a short coupling 4. This coupling 4 is connected to one side of an universal joint 5. To the other side of'the universal joint 5, is connected a hollow shaft 6, the interior of which is square. In this shaft is received the solid shaft 7, cut square to form a sliding connection with shaft (3.v Mounted on the shaft 7 is a friction wheel or pulley 8, provided with a hub 9 in which is fastened a set screw 10, by' means of which it is possible to adjust the fpulleyfor the speed desired, increasing; the speed as the pulley is moved toward the outer periphery of the main driving disk and retarding it as it is moved toward the center of said driving disk,

The shaft 7 issupported inya journal ll,

fastened to one end of support 12, .the other end of which terminatesin bearing 13. The support 12 is rigidly connected to rod 14 (as shown in Fig. 3) which is in turn pivot- .ally mounted upon a base 15 by means of a Toward the top j of base 15' is mounted a short lever 17, fulcrumedon pin pin 16.

18. One endof thelever terminates in a beveled face 171,, and 'pivotally connected to I I i Specification ofLetters Patent. i

Appfication filed Junc 12, 1915. Serial No. 33,737.

drive disk.

ate tea Sept. as, 19 3 r I r the other endis'a link .19 which ispivotallyj, Beitknownthat' I, SAMUEL T. SIMMoNs,

connected to treadle' rod 20, fulcrumed 'at2l onA-a Su'pportQQ; The other end of rod 22 is connected; to treadle 23: A-springt2a connects rod; 14l;w-ith tl1e base .15, andltabrake 25is likewise supported on base 15, with which wheelS is normally in contact where fulcrum'18 by means of link 19 and treadle rod 20, and the beveled face 17, will come in contact with rod 14: overcoming the force of the spring pushing the friction wheel 8 against? the face of the friction disk 27. Immediately upon the release of the pressure on the treadle the spring 24 will release the wheel 8 from the disk 27 and pull it back against the brake 25, stopping the machine almost instantly.

While I have shown my invention as applied to a sewing machine, it-is obvious that it could be applied to many others, and

hence I do not limit myself tothe precise structure set forth.

I claim:

lpIn a mechanism for transmitting power, the combination of a drive disk, a shaft, a wheel adjustably mounted thereon, a base, supporting means for said shaft pivotally connected to the base, a lever fulcrumed on the base independent of the supporting means, and actuating means for forcing the lever against the supporting means for engaging said wheel with said 2. In a mechanism for transmitting power, the combination of a drive disk, a shaft, a Wheel adjustably mounted thereon,

a base, supportingmeans for said shaft pivotally connected to the base, a lever fulcrumed on thebase independent of the'supporting means, a link connecting the lever with a treadle rod, and a treadle for actuating said lever against the supporting means forxengaging said wheel with said disk. p Q i 3." In a mechanism. .for transmitting power, the combination of a drive disk, a

shaft, a wheel adjustably mounted thereon,

a base, supportingfmeansj for. said 5a pivotally connected to the base, a 1eYer, fu1- V erumed on the base, actuating means for forcing the lever against the supporting means for engaging said'wheel with said disk, and means for disengagingrthe wheel fromthe disk upon the release of the'actuating means.

a base,v supporting: means for-said shaft pivotally connected t o the'base, a lever ful- 5 crumed on the base, and actuating means Copisof this, patent may be obtained for .fiv centseach, by: addressingthef Commissioner of Patents, v a Washington, D. 0. C

for iorcin the lever against the supporting means for engaging Wheel With said drive disk, a spnng connected to the base and to the suppo tmg means for oscillating the supportito its normal position upon the rel'easerof the actuating means and. a brake in the path of the supporting means against which it is normally held by the spring.

In testimony whereof Iaflix my signatu e.

sA UEnT. siMMoNs. ,1 i

' WitnessesLf N.; 'VV.- DICK, HELEN ADAMS. 

